MCQOPTIONS
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MCQOPTIONS
This section includes 93 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Calculate the maximum vertical moment due to prestress if given self weight moment is 16.5kn/m, thickness is 0.115m and loss ratio is 0.0075? |
| A. | 15.4 |
| B. | 21.5 |
| C. | 25.4 |
| D. | 2.6 |
| Answer» D. 2.6 | |
| 52. |
Calculate the spacing of 5mm wires having a loss ratio of 0.075, compressive stress is 10.75n/mm2, 5mm diameter wires stress is 1000n/mm2, 12 wires of 8mm diameter are stressed to 1200n/mm2(Nd = 840n/mm2)? |
| A. | 15.4mm |
| B. | 11.6mm |
| C. | 12.4mm |
| D. | 18.5mm |
| Answer» C. 12.4mm | |
| 53. |
wires of 8mm diameter stressed to 1200n/mm2 are to be used for vertical prestressing? |
| A. | 15 |
| B. | 12 |
| C. | 8 |
| D. | 4 |
| Answer» C. 8 | |
| 54. |
Calculate circumferential prestress of a cylindrical prestressed concrete water tank given that the thickness is 12mm, loss ratio is 0.75, the maximum stress under working pressure is 1n/mm2(Nd value is 720)? |
| A. | 9.4n/mm2 |
| B. | 5.6n/mm2 c) 11.2n/mm2 d) 15.2n/mm2 |
| Answer» B. 5.6n/mm2 c) 11.2n/mm2 d) 15.2n/mm2 | |
| 55. |
Calculate minimum wall thickness given a cylindrical prestressed water tank of internal diameter 30m over a depth of 7.5m and the permissible compressive stress at transfer is 13n/mm2 and the maximum compressive stress under working pressure is 1n/mm2 and the loss ratio is 0.75? |
| A. | 43.8 |
| B. | 82.3 |
| C. | 64.5 |
| D. | 90.4 |
| Answer» C. 64.5 | |
| 56. |
In the fixed base joint the junction is between the tank wall and |
| A. | slab |
| B. | footing |
| C. | beams |
| D. | columns |
| Answer» C. beams | |
| 57. |
When a sliding joint is made what is interposed at the junction of wall and base? |
| A. | rubber |
| B. | timber |
| C. | plastic |
| D. | soil |
| Answer» B. timber | |
| 58. |
The nominal reinforcement provided for floor slabs stipulated by Indian standard code is not less than? |
| A. | 0.5 |
| B. | 0.7 |
| C. | 0.15 |
| D. | 0.8 |
| Answer» D. 0.8 | |
| 59. |
In the case of large tanks, the base slabs is subdivided by |
| A. | water |
| B. | joints |
| C. | scale |
| D. | lines |
| Answer» C. scale | |
| 60. |
Prestressed concrete although it is water tight, it is not |
| A. | gas tight |
| B. | liquid tight |
| C. | vapour tight |
| D. | material tight |
| Answer» B. liquid tight | |
| 61. |
Prestressed concrete tanks have been widely used for the storage of |
| A. | gas |
| B. | air |
| C. | fluids |
| D. | water |
| Answer» D. water | |
| 62. |
Which authority is responsible for national highway? |
| A. | local governments and municipalities |
| B. | panchayats, jry and pmgsy |
| C. | public works department of state/union territory |
| D. | ministry of road transport and highways |
| Answer» E. | |
| 63. |
As soon as sufficient length of premix has been laid, rolling should be started with 2 to 4 tonne roller. |
| A. | true |
| B. | false |
| Answer» C. | |
| 64. |
Laying and consolidation shall be done during dry season. |
| A. | true |
| B. | false |
| Answer» C. | |
| 65. |
If subgrade is soft or weak, a thick sub- base of cheap and inferior materials well compacted should be used. |
| A. | false |
| B. | true |
| Answer» C. | |
| 66. |
First coat of bituminous painting shall be with stone ballast no.3 and stone grit of 20 mm gauge at 220 kg of asphalt and 1.35 cu m of stone grit per 100 sq. m. |
| A. | true |
| B. | false |
| Answer» C. | |
| 67. |
Stone grits used for 1st coat and 2nd surface painting may be precoated in advance with advance with bitumen. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 68. |
8 cm. |
| A. | true |
| B. | false |
| Answer» C. | |
| 69. |
Subgrade shall be well consolidated and compacted each with a camber of 1 in 60. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 70. |
What will be the width of metalled surface single lane on Major District road? |
| A. | 1.70 m |
| B. | 3.70 m |
| C. | 0.70 m |
| D. | 10 m |
| Answer» C. 0.70 m | |
| 71. |
What will be the ruling gradient in hills on “Other district roads� |
| A. | 1 in 20 |
| B. | 1 in 5 |
| C. | 1 in 10 |
| D. | 1 in 3 |
| Answer» D. 1 in 3 | |
| 72. |
What will be the minimum visibility at vertical curves on National Highway? |
| A. | 130 m |
| B. | 200 m |
| C. | 20 m |
| D. | 100 m |
| Answer» E. | |
| 73. |
What will be the maximum superrelevation in hills on Major District roads? |
| A. | 4 in 30 |
| B. | 1 in 10 |
| C. | 1 in 4 |
| D. | 1 in 60 |
| Answer» C. 1 in 4 | |
| 74. |
These are important roads within a district connecting areas of production with markets and connecting them with the State Highways & National Highways and are maintained by the State PWD? |
| A. | state highway |
| B. | national highway |
| C. | district road |
| D. | rural road |
| Answer» D. rural road | |
| 75. |
Hard, rough and durable granite stone ballast                    gauge, shall be used. |
| A. | 100 mm |
| B. | 20 mm |
| C. | 1mm |
| D. | 60mm |
| Answer» E. | |
| 76. |
What will be the design load for bridges and culverts on National Highway? |
| A. | i.r.c. class-d loading |
| B. | i.r.c. class-c loading |
| C. | i.r.c. class-a loading |
| D. | i.r.c. class-b loading |
| Answer» D. i.r.c. class-b loading | |
| 77. |
The precast prestressed hollow core slabs, with or without topping is an important |
| A. | floor panels |
| B. | tendons |
| C. | wall coatings |
| D. | reinforcements |
| Answer» B. tendons | |
| 78. |
Splines are keys. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 79. |
Determine the length of kennedy key required to transmit 1200N-m and allowable shear in the key is 40N/mm². The diameter of shaft and width of key can be taken as 40mm and 10mm respectively. |
| A. | 49mm |
| B. | 36mm |
| C. | 46mm |
| D. | 53mm |
| Answer» E. | |
| 80. |
Woodruff key permits            movement b/w shaft and the hub. |
| A. | axial |
| B. | radial |
| C. | eccentric |
| D. | none of the listed |
| Answer» C. eccentric | |
| 81. |
The main advantage of sunk key is that it is a            drive. |
| A. | positive |
| B. | negative |
| C. | neutral |
| D. | none of the listed |
| Answer» B. negative | |
| 82. |
Saddle key is more suitable than sunk key for heavy duty applications. |
| A. | true |
| B. | false |
| Answer» C. | |
| 83. |
Hollow saddle key is superior to flat saddle key as far as power transmitting capability is concerned. |
| A. | true |
| B. | false |
| Answer» C. | |
| 84. |
Maximum shear stress in transverse fillet weld of leg h and length l is |
| A. | p/hl |
| B. | 1.21p/hl |
| C. | p/1.21hl |
| D. | none of the listed |
| Answer» C. p/1.21hl | |
| 85. |
A force 2P is acting on the double transverse fillet weld. Leg of weld is h and length l. Determine the shear stress in a plane inclined at θ with horizontal. |
| A. | psinθ(sinθ+cosθ)/hl |
| B. | p(sinθ+cosθ)/hl |
| C. | pcosθ(sinθ+cosθ)/hl |
| D. | none of the listed |
| Answer» B. p(sinθ+cosθ)/hl | |
| 86. |
What will be the coefficient of earth pressure at rest for a rigid retaining wall, If the backfill consists of cohesion less soil having φ = 26°? |
| A. | 0.1295 |
| B. | 0.6552 |
| C. | 0.5616 |
| D. | 0.7383 |
| Answer» D. 0.7383 | |
| 87. |
The expression for K0 as given by Jacky is |
| A. | k0 = 1 – sin φ |
| B. | k0 = sin φ |
| C. | k0 = 1 – cos φ |
| D. | k0 = 1 + sin φ |
| Answer» B. k0 = sin φ | |
| 88. |
The earth pressure at rest exerted on a retaining structure can be calculated using |
| A. | theory of plasticity |
| B. | theory of elasticity |
| C. | mohr’s theory of rupture |
| D. | none of the mentioned |
| Answer» C. mohr’s theory of rupture | |
| 89. |
The factor that is responsible for inclination of resultant pressure to the retaining wall is |
| A. | frictional force |
| B. | surcharge |
| C. | earth pressure |
| D. | weight of the wall |
| Answer» B. surcharge | |
| 90. |
If the sand filled behind the retaining wall with saturated water with water, then the possible lateral pressure is |
| A. | lateral pressure due to submerged weight and lateral pressure due to water |
| B. | lateral pressure due to retaining wall |
| C. | none of the mentioned |
| D. | all of the mentioned |
| Answer» B. lateral pressure due to retaining wall | |
| 91. |
Which of the following cases for cohesion less backfill in Rankine’s theory is considered? |
| A. | submerged backfill |
| B. | moist backfill with no surcharge |
| C. | backfill with sloping surface |
| D. | all of the mentioned |
| Answer» E. | |
| 92. |
Rankine’s theory of lateral pressure was extended to other soil by |
| A. | resal and bell |
| B. | mohr |
| C. | none of the mentioned |
| D. | all of the mentioned |
| Answer» B. mohr | |
| 93. |
Originally, Rankine’s theory of lateral earth pressure can be applied to only |
| A. | cohesion less soil |
| B. | cohesive soil |
| C. | fine grained soil |
| D. | coarse grained soil |
| Answer» B. cohesive soil | |